National Weather Service Forecast for: Blackhawk SD
Issued by: National Weather Service Rapid City, SD
Updated: 2:32 am MDT Jun 30, 2026
 
Overnight

Overnight: Mostly clear, with a low around 53. Calm wind becoming west around 5 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 87. West wind 5 to 9 mph, with gusts as high as 24 mph.
Sunny

 Tuesday
Night
Tuesday Night: A slight chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 58. North wind 5 to 8 mph becoming light and variable. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Chance
Showers
 Wednesday

Wednesday: A 30 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 85. Northwest wind 5 to 7 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.
Sunny then
Chance
T-storms
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 59. Southwest wind 3 to 6 mph. Winds could gust as high as 16 mph.
Partly Cloudy

 Thursday

Thursday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Southwest wind 5 to 11 mph becoming east in the afternoon. Winds could gust as high as 25 mph.
Mostly Sunny
then Chance
T-storms
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 59.
Partly Cloudy

 Friday

Friday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89.
Mostly Sunny
then Chance
T-storms
 Friday
Night
Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Chance
T-storms
Lo 53 °F Hi 87 °F Lo 58 °F Hi 85 °F Lo 59 °F Hi 89 °F Lo 59 °F Hi 89 °F Lo 60 °F

 

Overnight
 
 Mostly clear, with a low around 53. Calm wind becoming west around 5 mph.
Tuesday
 
 Sunny, with a high near 87. West wind 5 to 9 mph, with gusts as high as 24 mph.
Tuesday Night
 
 A slight chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 58. North wind 5 to 8 mph becoming light and variable. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Wednesday
 
 A 30 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 85. Northwest wind 5 to 7 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
 
 Partly cloudy, with a low around 59. Southwest wind 3 to 6 mph. Winds could gust as high as 16 mph.
Thursday
 
 A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Southwest wind 5 to 11 mph becoming east in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
 
 Partly cloudy, with a low around 59.
Friday
 
 A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89.
Friday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Independence Day
 
 A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Saturday Night
 
 A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Sunday
 
 Sunny, with a high near 89.
Sunday Night
 
 Mostly clear, with a low around 62.
Monday
 
 Sunny, with a high near 93.

 

Forecast from NOAA-NWS for Blackhawk SD.